Adamite
Lavrion Mining District, Lavreotiki, East Attica, Attica, Greece
1.06 carats
© Mineral Classics
Adamite forms transparent to translucent pale yellow through green to bluish green elongated crystals and radial aggregates. Yellow color is due to Fe compounds, tints of green are connected with the presence of copper and purple colour is caused by cobalt content. Reddish to pink and violet transparent crystals have been reported from Mexico.
Large individual clear crystals can be cut into attractive faceted stones.
Adamite Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
 |  |  |
 |  |
|
Adamite Gemstones by Size
This table shows distribution of Adamite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:0.47 cts
Heaviest:4.61 cts
Average:1.75 cts
Total photos:6
Do you have a larger Adamite? Why not upload a photo?
| General Information | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Formula |
| ||||||||||||||||||
| Physical Properties of Adamite | |||||||||||||||||||
| Mohs Hardness | 3.5, Gemstones of the world (2001) More from other references | ||||||||||||||||||
| Specific Gravity | 4.30 to 4.68, Gemstones of the world (2001) More from other references | ||||||||||||||||||
| Cleavage Quality | Distinct, Gemstones (2009) | ||||||||||||||||||
| Fracture | Conchoidal, Gemstones (2009) | ||||||||||||||||||
| Optical Properties of Adamite | |||||||||||||||||||
| Refractive Index | 1.708 to 1.773, Gemmological Tables (2004) More from other references | ||||||||||||||||||
| Optical Character | Biaxial/+,-, Gems, Sixth edition (2006) More from other references | ||||||||||||||||||
| Birefringence | 0.031 to 0.050, Gems, Sixth edition (2006) More from other references | ||||||||||||||||||
| Pleochroism | Nil, Gemstones (2009) | ||||||||||||||||||
| Dispersion | Strong, Gemstones (2009) | ||||||||||||||||||
| Colour | |||||||||||||||||||
| Colour (General) | Yellow-green, brownish, colourless, pink, violet., Gemstones of the world (2001) More from other references | ||||||||||||||||||
| Transparency | Transparent,Translucent, Gems, Sixth edition (2006) | ||||||||||||||||||
| Lustre | Vitreous, Gemstones of the world (2001) Strong vitreousMore from other references | ||||||||||||||||||
| Fluorescence & other light emissions | |||||||||||||||||||
| Fluorescence (Short Wave UV) | Adamite may show an intense yellow or green fluorescence with lemon-yellow phosphorescence under SWUV., Gems, Sixth edition (2006) | ||||||||||||||||||
| Phosphorescence | Lemon-yellow phosphorescence under SWUV, Gems, Sixth edition (2006) | ||||||||||||||||||
| Crystallography of Adamite | |||||||||||||||||||
| Crystal System | Orthorhombic, Gemstones of the world (2001) More from other references | ||||||||||||||||||
| Habit | Elongated orthorhombic crystals and radial aggregates., Gems, Sixth edition (2006) More from other references | ||||||||||||||||||
| Geological Environment | |||||||||||||||||||
| Where found: | Adamite occurs as a secondary mineral in the oxidized zone of zinc- and arsenic-bearing hydrothermal mineral deposits., Gems, Sixth edition (2006) | ||||||||||||||||||
| Further Information | |||||||||||||||||||
| Mineral information: | Adamite information at mindat.org | ||||||||||||||||||
| Significant Gem Localities | |||||||||||||||||||
| |||||||||||||||||||